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    ǰһƪ²©¿Í»¹Ð´ÁË×Ô¼ºÐ´µÄ¶Ë¿Úת·¢¹¤¾ß£¬½ñÌìżȻÔÚÍøÉÏ¿´µ½½²ÃüÃû¹ÜµÀºÍnetcatÅäºÏµÄÓ÷¨£¬±»³¹µ×À×µ¹ÁË¡£
    Ô­À´ÒÔΪnetcat×ö²»µ½£¬Ô­À´ÊÇ×Ô¼ºÏë²»µ½£¬¶ø²»ÊÇnetcat×ö²»µ½……
    ·½·¨ÈçÏ£º
    $ mknod backpipe p
    ½¨Á¢Ò»¸öÃüÃû¹ÜµÀ.
    listener-to-client ת·¢£º
    $ nc -l -p [localport] 0< backpipe |
        nc [target ip] [port] |
        tee backpipe
    ƯÁÁ°É£¿
    ¼ÌÐø£º
    listener-to-listener ת·¢£º
    $ nc -l -p [localport] 0< backpipe |
        nc -l -p [localport2] |
        tee backpipe
   
    client-to-client ת·¢£º
    $ nc [ip1] [port1] 0< backpipe |
        nc [ip2] [port2] |
        tee backpipe
   
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    $ echo nc [ip] [port] > relay.sh
    $ chmod +x relay.sh
    $ nc -l -p [port2] -e relay.sh
    ÎÒÔβËÁË£¬Ô­À´ÄǸö³ÌÐòÊǰ×дÁË¡£
    Ç¿´óµÄlinux, Ç¿´óµÄnetcat !


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LinuxÏµĶ¨Ê±Æ÷£ºalarm()Óësetitimer()


LinuxÏµĶ¨Ê±Æ÷ÓÐÁ½ÖÖ£¬ÒÔÏ·ֱð½éÉÜ£º
1¡¢alarm
Èç¹û²»ÒªÇóºÜ¾«È·µÄ»°£¬ÓÃalarm()ºÍsignal()¾Í¹»ÁË
unsigned int alarm(unsigned int seconds)
º¯Êý˵Ã÷: alarm()ÓÃÀ´ÉèÖÃÐźÅSIGALRMÔÚ¾­¹ý²ÎÊýsecondsÖ¸¶¨µÄÃëÊýºó´«Ë͸øÄ¿Ç°µÄ½ø³Ì¡£Èç¹û²ÎÊýsecondsΪ0£¬Ôò֮ǰÉèÖõÄÄÖÖӻᱻȡÏû£¬²¢½«Ê£ÏµÄʱ¼ä·µ»Ø¡£
·µ»ØÖµ: ......

LinuxϱàÒëºÍ°²×°Èí¼þµÄ·½·¨

For all those who are beginners in any linux(ubuntu) find hard to find the package files of their distro and end up in finding an source package(which is either in tar.gz or .gz).. so now people think how to install these source files…..
lets now see how would you be installing source files ......

LinuxµÄÓû§ºÍÓû§×é¹ÜÀí

                      LinuxµÄÓû§ºÍÓû§×é¹ÜÀí
LinuxϵͳÊÇÒ»¸ö¶àÓû§¶àÈÎÎñµÄ·Öʱ²Ù×÷ϵͳ£¬ÈκÎÒ»¸öҪʹÓÃϵͳ×ÊÔ´µÄÓû§£¬¶¼±ØÐëÊ×ÏÈÏòϵͳ¹ÜÀíÔ±ÉêÇëÒ»¸öÕ˺ţ¬È»ºóÒÔÕâ¸öÕ˺ŵÄÉí·Ý½øÈëϵͳ¡£Óû§µÄÕ˺ ......

ÔÚlinuxÏ »ñÈ¡£¬Ð޸ı¾»úIPµØÖ·µÄÁ½¸öº¯Êý

//»ñÈ¡±¾»úIPµØÖ·º¯Êý
QString GetLocalIp()
{
int sock_get_ip;
char ipaddr[50];
struct sockaddr_in *sin;
struct ifreq ifr_ip;
if ((sock_get_ip=socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
printf("socket create failse...GetLocalIp!\n");
return ""; ......

linuxϰ²×°ÅäÖÃjdk 1.6

Ô­ÎÄ£ºhttp://developer.51cto.com/art/200907/134477.htm
JDK1.6ÔÚLINUXϵݲװÅäÖÃÊÇJava³õѧÕß¿ªÊ¼Java±à³ÌµÄ
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JDK1.6ÔÚLINUXϵݲװÊÇÈçºÎ½øÐеÄÄØ£¬ÈÃÎÒÃÇ¿ªÊ¼ÎÒÃǵÄÑÝʾ£º
Ubuntu LinuxÏÂjdkµ ......
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